<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>

<body>
    <script>
        var name = prompt('请输入你的名字：');
        if (name == '景玉龙') {
            alert('恭喜你中了五块钱！！');
        } else {
            alert('很遗憾，你没有中奖！');
        }
    </script>
</body>

</html>